author | Florian Westphal <fw@strlen.de> |
Sun, 11 Jan 2009 20:20:11 +0100 | |
changeset 0 | aa628870c1d3 |
child 2 | d1f6d8b6f81c |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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1 |
#ifndef __LINUX_MEMORY_HOTPLUG_H |
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Port of Linux 2.6.28 for use with network simulation cradle.
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2 |
#define __LINUX_MEMORY_HOTPLUG_H |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/mmzone.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/spinlock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/notifier.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct page; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct zone; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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struct pglist_data; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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11 |
struct mem_section; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef CONFIG_MEMORY_HOTPLUG |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Types for free bootmem. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* The normal smallest mapcount is -1. Here is smaller value than it. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define SECTION_INFO (-1 - 1) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define MIX_SECTION_INFO (-1 - 2) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#define NODE_INFO (-1 - 3) |
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* |
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* pgdat resizing functions |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline |
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Port of Linux 2.6.28 for use with network simulation cradle.
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void pgdat_resize_lock(struct pglist_data *pgdat, unsigned long *flags) |
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{ |
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spin_lock_irqsave(&pgdat->node_size_lock, *flags); |
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} |
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static inline |
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void pgdat_resize_unlock(struct pglist_data *pgdat, unsigned long *flags) |
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{ |
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spin_unlock_irqrestore(&pgdat->node_size_lock, *flags); |
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline |
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void pgdat_resize_init(struct pglist_data *pgdat) |
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{ |
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spin_lock_init(&pgdat->node_size_lock); |
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* |
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* Zone resizing functions |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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static inline unsigned zone_span_seqbegin(struct zone *zone) |
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{ |
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return read_seqbegin(&zone->span_seqlock); |
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} |
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static inline int zone_span_seqretry(struct zone *zone, unsigned iv) |
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{ |
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return read_seqretry(&zone->span_seqlock, iv); |
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline void zone_span_writelock(struct zone *zone) |
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{ |
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write_seqlock(&zone->span_seqlock); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline void zone_span_writeunlock(struct zone *zone) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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write_sequnlock(&zone->span_seqlock); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline void zone_seqlock_init(struct zone *zone) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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{ |
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seqlock_init(&zone->span_seqlock); |
aa628870c1d3
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} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages); |
aa628870c1d3
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extern int add_one_highpage(struct page *page, int pfn, int bad_ppro); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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/* need some defines for these for archs that don't support it */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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extern void online_page(struct page *page); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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/* VM interface that may be used by firmware interface */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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extern int online_pages(unsigned long, unsigned long); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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extern void __offline_isolated_pages(unsigned long, unsigned long); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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extern int offline_pages(unsigned long, unsigned long, unsigned long); |
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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/* reasonably generic interface to expand the physical pages in a zone */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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extern int __add_pages(struct zone *zone, unsigned long start_pfn, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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unsigned long nr_pages); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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extern int __remove_pages(struct zone *zone, unsigned long start_pfn, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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unsigned long nr_pages); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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#ifdef CONFIG_NUMA |
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Port of Linux 2.6.28 for use with network simulation cradle.
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81 |
extern int memory_add_physaddr_to_nid(u64 start); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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82 |
#else |
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Port of Linux 2.6.28 for use with network simulation cradle.
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static inline int memory_add_physaddr_to_nid(u64 start) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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84 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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85 |
return 0; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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86 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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87 |
#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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88 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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89 |
#ifdef CONFIG_HAVE_ARCH_NODEDATA_EXTENSION |
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Port of Linux 2.6.28 for use with network simulation cradle.
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90 |
/* |
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91 |
* For supporting node-hotadd, we have to allocate a new pgdat. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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92 |
* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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93 |
* If an arch has generic style NODE_DATA(), |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* node_data[nid] = kzalloc() works well. But it depends on the architecture. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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95 |
* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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96 |
* In general, generic_alloc_nodedata() is used. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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97 |
* Now, arch_free_nodedata() is just defined for error path of node_hot_add. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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99 |
*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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100 |
extern pg_data_t *arch_alloc_nodedata(int nid); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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101 |
extern void arch_free_nodedata(pg_data_t *pgdat); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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102 |
extern void arch_refresh_nodedata(int nid, pg_data_t *pgdat); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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103 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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104 |
#else /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ |
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105 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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106 |
#define arch_alloc_nodedata(nid) generic_alloc_nodedata(nid) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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107 |
#define arch_free_nodedata(pgdat) generic_free_nodedata(pgdat) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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108 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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109 |
#ifdef CONFIG_NUMA |
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Port of Linux 2.6.28 for use with network simulation cradle.
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110 |
/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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111 |
* If ARCH_HAS_NODEDATA_EXTENSION=n, this func is used to allocate pgdat. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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112 |
* XXX: kmalloc_node() can't work well to get new node's memory at this time. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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113 |
* Because, pgdat for the new node is not allocated/initialized yet itself. |
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114 |
* To use new node's memory, more consideration will be necessary. |
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115 |
*/ |
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116 |
#define generic_alloc_nodedata(nid) \ |
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117 |
({ \ |
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118 |
kzalloc(sizeof(pg_data_t), GFP_KERNEL); \ |
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119 |
}) |
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120 |
/* |
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121 |
* This definition is just for error path in node hotadd. |
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122 |
* For node hotremove, we have to replace this. |
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123 |
*/ |
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124 |
#define generic_free_nodedata(pgdat) kfree(pgdat) |
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125 |
|
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126 |
extern pg_data_t *node_data[]; |
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127 |
static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat) |
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128 |
{ |
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129 |
node_data[nid] = pgdat; |
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130 |
} |
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131 |
|
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132 |
#else /* !CONFIG_NUMA */ |
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133 |
|
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134 |
/* never called */ |
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135 |
static inline pg_data_t *generic_alloc_nodedata(int nid) |
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136 |
{ |
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137 |
BUG(); |
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138 |
return NULL; |
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139 |
} |
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140 |
static inline void generic_free_nodedata(pg_data_t *pgdat) |
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141 |
{ |
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142 |
} |
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143 |
static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat) |
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144 |
{ |
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145 |
} |
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parents:
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|
146 |
#endif /* CONFIG_NUMA */ |
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147 |
#endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ |
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148 |
|
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149 |
#ifdef CONFIG_SPARSEMEM_VMEMMAP |
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150 |
static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) |
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151 |
{ |
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152 |
} |
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153 |
static inline void put_page_bootmem(struct page *page) |
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154 |
{ |
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155 |
} |
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156 |
#else |
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157 |
extern void register_page_bootmem_info_node(struct pglist_data *pgdat); |
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parents:
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158 |
extern void put_page_bootmem(struct page *page); |
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159 |
#endif |
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|
160 |
|
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|
161 |
#else /* ! CONFIG_MEMORY_HOTPLUG */ |
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162 |
/* |
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163 |
* Stub functions for when hotplug is off |
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|
164 |
*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
165 |
static inline void pgdat_resize_lock(struct pglist_data *p, unsigned long *f) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
166 |
static inline void pgdat_resize_unlock(struct pglist_data *p, unsigned long *f) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
167 |
static inline void pgdat_resize_init(struct pglist_data *pgdat) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
168 |
|
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parents:
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|
169 |
static inline unsigned zone_span_seqbegin(struct zone *zone) |
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170 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
171 |
return 0; |
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parents:
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|
172 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
173 |
static inline int zone_span_seqretry(struct zone *zone, unsigned iv) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
174 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
175 |
return 0; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
176 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
177 |
static inline void zone_span_writelock(struct zone *zone) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
178 |
static inline void zone_span_writeunlock(struct zone *zone) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
179 |
static inline void zone_seqlock_init(struct zone *zone) {} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
180 |
|
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parents:
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|
181 |
static inline int mhp_notimplemented(const char *func) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
182 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
183 |
printk(KERN_WARNING "%s() called, with CONFIG_MEMORY_HOTPLUG disabled\n", func); |
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
184 |
dump_stack(); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
185 |
return -ENOSYS; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
186 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
187 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
188 |
static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
189 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
190 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
191 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
192 |
#endif /* ! CONFIG_MEMORY_HOTPLUG */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
193 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
194 |
/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
195 |
* Walk through all memory which is registered as resource. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
196 |
* arg is (start_pfn, nr_pages, private_arg_pointer) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
197 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
198 |
extern int walk_memory_resource(unsigned long start_pfn, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
199 |
unsigned long nr_pages, void *arg, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
200 |
int (*func)(unsigned long, unsigned long, void *)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
201 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
202 |
#ifdef CONFIG_MEMORY_HOTREMOVE |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
203 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
204 |
extern int is_mem_section_removable(unsigned long pfn, unsigned long nr_pages); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
205 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
206 |
#else |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
207 |
static inline int is_mem_section_removable(unsigned long pfn, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
208 |
unsigned long nr_pages) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
209 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
210 |
return 0; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
211 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
212 |
#endif /* CONFIG_MEMORY_HOTREMOVE */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
213 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
214 |
extern int add_memory(int nid, u64 start, u64 size); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
215 |
extern int arch_add_memory(int nid, u64 start, u64 size); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
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|
216 |
extern int remove_memory(u64 start, u64 size); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
217 |
extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
218 |
int nr_pages); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
219 |
extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
220 |
extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
221 |
unsigned long pnum); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
222 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
223 |
#endif /* __LINUX_MEMORY_HOTPLUG_H */ |